Completion bonuses
Win the game and save when prompted. The cleared game file will unlock Hard (Super Zunoha Raidou) mode. Also , you may start a new game with infinite normal ammunition (through a special gun clip in your inventory) and your previous shop rank, confinement tanks, loyalty, and title intact.

Training Hall floors Ubnlock
Complete the listed episode to unlock the listed floor. To use the Training Hall, use the washbasin in Nameless Shrine.

Episode 2: Floor 1
Episode 2: Floor 2
Episode 3: Floor 3
Episode 4: Floor 4
Episode 5: Floor 5
Episode 7: Floor 6
Episode 9: Floor 8
Episode 10: Floor 9
Episode 12: Bottom floor